Patents for C25C 1 - Electrolytic production, recovery or refining of metals by electrolysis of solutions (5,617) |
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02/13/1979 | US4139431 Electrolytic, reducing current, density in stages |
02/13/1979 | US4139430 Conductive projections on nonconductor |
02/13/1979 | US4139429 Electrolytic cell |
02/08/1979 | WO1979000059A1 Method for eliminating solution-level attack on cathodes during electrolysis |
02/06/1979 | CA1048176A1 Process for purifying aqueous solutions, of metal ions precipitating as arsenides, antimonides, tellurides, selenides, and tin and mercury alloys |
01/30/1979 | US4137290 Ion absorbing, reversal of fluid flow |
01/23/1979 | US4135997 Electrolytic production of metallic lead |
01/23/1979 | CA1046979A1 Decreasing the metallic content of liquids by an electrochemical technique |
01/23/1979 | CA1046977A2 Naphthalene monocarboxaldehyde brightening agents for electrolytically plating tin |
01/23/1979 | CA1046799A1 Electrowinning of zinc using aluminum alloy |
01/16/1979 | US4134806 Metal anodes with reduced anodic surface and high current density and their use in electrowinning processes with low cathodic current density |
01/16/1979 | CA1046287A1 Atmospheric leaching of matte containing iron |
01/09/1979 | CA1045825A1 Process for the destruction of developed and undeveloped photosensitive film and the recovery of products therefrom |
01/02/1979 | US4132623 Device for regenerating zinc |
01/02/1979 | CA1045579A1 Process for electrowinning of copper values from solid forms thereof |
12/26/1978 | US4130927 Process and an apparatus for the continuous mechanical fabrication of starting sheets for the electrolytic refining of metals, especially copper |
12/19/1978 | US4130627 Process for recovering mineral values from fly ash |
12/19/1978 | US4130625 Recovery and purification of iridium |
12/19/1978 | CA1044825A1 Treatment of solutions containing impure metals |
12/19/1978 | CA1044641A1 Processes and installations for the regeneration of spent pickling solutions |
12/19/1978 | CA1044638A1 Electrolysis process and apparatus |
12/19/1978 | CA1044635A1 Palladium electroplating bath, process and preparation |
12/19/1978 | CA1044471A1 Method and apparatus for recovery of heavy metal ions from dilute aqueous solution |
12/12/1978 | US4129492 Electrolytic cell |
12/12/1978 | CA1044176A1 Method for electrochemically winning or refining copper |
12/05/1978 | US4128464 Process for regenerating bleaching-fixing solution |
12/05/1978 | US4128462 Polyvinylbenzyltrimethyl-ammonium chloride |
12/05/1978 | CA1043732A1 Electrochemical cell |
11/28/1978 | US4127466 Photoelectrochemical metal plating and purification system |
11/28/1978 | US4127458 Recovering platinum group metal as a stable complex |
11/14/1978 | CA1042574A1 Process for the adsorptive removal of arsenic antimony and/or bismuth from an aqueous solution |
11/07/1978 | US4124461 Halogenation of lead ore, conversion to lead carbonate and then lead fluosilicate, electrowinning |
11/07/1978 | US4124460 Electrowinning of copper in presence of high concentration of iron |
11/07/1978 | CA1041944A1 Non-contaminating anode suitable for electrowinning applications |
10/24/1978 | CA1041037A1 Process for the manufacture of electrolytic copper |
10/10/1978 | CA1040133A1 Electrolytically refining silver with complexing of copper ions |
09/26/1978 | CA1039234A1 Process for the production of high-purity metals from nickeliferous mattes |
09/26/1978 | CA1039065A1 Copper cementation |
09/26/1978 | CA1039064A1 Production of lead and silver from their sulfides |
09/19/1978 | US4115222 Method for electrolytic winning of lead |
09/19/1978 | US4115220 Process for the preparation of high purity antimony |
09/12/1978 | US4113848 By reduction of cupric salts or oxidation of copper or copper sulfide |
09/12/1978 | US4113588 From pickling metallic materials |
09/05/1978 | US4111766 Process for the recovery of silver from fixing solutions |
09/05/1978 | US4111688 Method for separating gold from acid aqueous solution |
09/05/1978 | CA1037897A1 Electrochemical refining of metals |
08/29/1978 | US4110176 Electrodeposition of copper |
08/29/1978 | CA1037416A1 Electrowinning with an anode having a multicomponent coating |
08/22/1978 | US4108753 Electrolytic cells |
08/22/1978 | US4108740 Containing sulfur and manganese |
08/15/1978 | US4107009 Recovery of copper from ores and concentrates |
08/15/1978 | US4107007 Process for the recovery of lead from scrapped lead batteries |
08/15/1978 | CA1036536A1 Electrodeposition of thick nickel deposits on permanent cathode blanks |
08/08/1978 | US4105532 Improvements in or relating to the electrowinning of metals |
08/08/1978 | US4105527 Electric system for electric extraction of non-ferrous metals from their solutions |
08/01/1978 | US4104132 Method for eliminating solution-level attack on cathodes during electrolysis |
07/25/1978 | US4102754 Ore treatment electrolytic cell |
07/18/1978 | US4101389 Method of manufacturing amorphous alloy |
07/11/1978 | US4100043 Atmospheric leach ion-exchange process for treating iron-containing nickel-copper matte |
07/11/1978 | US4100042 Process for electrowinning metals from a metal-bearing solids slurry |
07/04/1978 | US4098668 Electrolyte metal extraction |
07/04/1978 | US4098658 Removing sulfuric acid, immersing in fluoborate electrolyte to dissolve lead from electrodes |
06/27/1978 | US4097357 From an alkaline zincate solution |
06/27/1978 | US4097354 Continuous process for electrolytic refining and electrowinning of elements and compounds |
06/27/1978 | US4097347 Electrolytic recovery of metals |
06/20/1978 | US4096053 Slurry electrowinning apparatus |
06/20/1978 | US4096045 Pbcl2, crystallization |
06/13/1978 | US4094754 Nickel, copper, iron, sulfur |
06/13/1978 | US4094753 Recovery of gallium from gallium compounds |
06/06/1978 | US4093532 Recovery of silver from photographic film |
05/23/1978 | US4090935 Electrolytic refining |
05/23/1978 | US4090927 Process for electro-depositing a metal on conducting granules |
05/16/1978 | US4089760 Method for regenerating waste developers used for processing silver halide photographic materials and method for storing developers |
05/02/1978 | US4087340 Production of metallic lead |
05/02/1978 | US4087339 Electrowinning of sulfur-containing nickel |
05/02/1978 | US4087338 Organic acids and salts used as buffers |
04/18/1978 | US4085017 Recovery of copper and nickel from alloys |
04/11/1978 | US4083759 Method for reducing sludge formation in the continuous production of iron by electrolysis of ferrous electrolyte |
04/11/1978 | US4083758 Process for regenerating and for recovering metallic copper from chloride-containing etching solutions |
04/04/1978 | US4082641 Simultaneous production of multiplicity of metal electrodeposits by plating from base metal electrolyte |
03/28/1978 | US4081506 Drying, grinding, roasting with sulfur, leaching |
03/14/1978 | US4078979 Nickel electrowinning process |
02/28/1978 | US4076605 Dichromate leach of copper anode slimes |
02/21/1978 | US4075069 Processes for preventing the generation of a mist of electrolyte and for recovering generated gases in electrowinning metal recovery, and electrodes for use in said processes |
02/14/1978 | US4073709 Electrolytic recovery of nickel and zinc |
02/14/1978 | US4073705 Electrolysis, formation of silver sulfide |
02/14/1978 | US4073702 Electrochemical cells |
02/07/1978 | US4072586 Manganese dioxide electrodes |
01/31/1978 | US4071526 Method for the preparation of additives in organo-aluminum electrolyte media |
01/31/1978 | US4071422 Sulfuric acid, precipitation of zinc ammonium sulfate |
01/31/1978 | US4071421 And manganese dioxide; leaching, electrolysis |
01/24/1978 | US4070260 Process of sulfuric acid leaching silicated zinc ores |
01/10/1978 | US4067952 Leaching of copper-nickel concentrates |
01/10/1978 | US4067802 Mono- or dialkyl phosphoric acid, metal chelation collector |
01/10/1978 | US4067789 Oxidation to manganese dioxide, precipitation |
01/03/1978 | US4066520 Slurry electrowinning process |
12/27/1977 | US4065375 Apparatus for providing flow of electrolyte through electrolytic cells |
12/20/1977 | US4064033 Electrolytic cell for electrolytically preparing a metal in pulverulent form |
12/20/1977 | US4064022 Method of recovering metals from sludges |
12/13/1977 | US4062744 Extraction of copper from sulfide ores |